<!-- XBRL 2.1 Tests -->

<!--Edited by Charles Hoffman (UBmatrix) -->

<!-- Copyright 2003 XBRL International. All Rights Reserved. -->

<xsd:schema 

   targetNamespace="http://mycompany.com/xbrl/arcs" 

   xmlns:xbrli="http://www.xbrl.org/2003/instance" 

   xmlns:xsd="http://www.w3.org/2001/XMLSchema" 

   xmlns:xlink="http://www.w3.org/1999/xlink" 

   xmlns:link="http://www.xbrl.org/2003/linkbase">

   <xsd:annotation>

      <xsd:appinfo>

	<link:linkbaseRef 

	   xlink:type="simple" 

	   xlink:href="209-01-DifferentWeights-calculation.xml" 

	   xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" 

	   xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"/>

      </xsd:appinfo>

   </xsd:annotation>

   

   <xsd:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="../lib/xbrl-instance-2003-12-31.xsd"/>



   <xsd:element name="ItemCredit" id="ItemCredit" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>

   <xsd:element name="SumCredit" id="SumCredit" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>

   

   <!--This document is valid as it contains no errors, but the linkbase must be considered -->



</xsd:schema>

